[s1e20] Old Friends -

: Admiral Zhao reaches the Spirit Oasis and kills Tui, the Moon Spirit, turning the sky blood-red and stripping all waterbenders of their powers.

: This episode marks the first appearance (outside of brief flashbacks) of Princess Azula, setting her up as the primary antagonist for the next season. [S1E20] Old Friends

: The glowing, giant water form of the Ocean Spirit is a visual homage to the Nightwalker from Hayao Miyazaki’s Princess Mononoke. : Admiral Zhao reaches the Spirit Oasis and

: Princess Yue, who was saved by the Moon Spirit as a child, sacrifices her life to restore Tui, becoming the new Moon Spirit. : Princess Yue, who was saved by the

: Consumed by the Avatar State, Aang merges with the Ocean Spirit (forming a giant water creature known as "Koizilla") to obliterate the Fire Nation fleet and end the siege. Key Highlights & Trivia